Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12917
Title: Wear behavior of HVOF-sprayed Fe-based amorphous coatings
Authors: Zhang, C
Liu, L
Chan, KC 
Chen, Q
Tang, CY 
Keywords: B. Glasses, metallic
B. Oxidation
B. Tribological properties
C. Coatings
G. Wear-resistant applications
Issue Date: 2012
Publisher: Elsevier
Source: Intermetallics, 2012, v. 29, p. 80-85 How to cite?
Journal: Intermetallics 
Abstract: The wear behavior of Fe 48Cr 15Mo 14C 15B 6Y 2 amorphous coatings prepared by high velocity oxygen fuel (HVOF) thermal spraying was studied under dry sliding conditions in a ball-on-plate mode using alumina ball as the counterpart. It was found that the friction coefficient and the wear rate of the coating are around 0.3-0.4, and (3-19) × 10 -5 mm 3 N -1 m -1, respectively. Compared with traditional steels and other wear-resistant coatings, such as hard Cr and Al 2O 3 coatings, the Fe-based amorphous coating shows higher wear resistance. The wear rate is independent of the applied load, but increases linearly with the increase of sliding speed. The dominating wear mechanism of the Fe-based amorphous coating is by oxidative wear coupled with delamination wear, where the oxidation process is governed by inward diffusion of oxygen.
URI: http://hdl.handle.net/10397/12917
ISSN: 0966-9795
EISSN: 1879-0216
DOI: 10.1016/j.intermet.2012.05.004
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